diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index acbeff0..ea4240d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -38,7 +38,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Set up JDK ${{ matrix.java }}
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: temurin
           java-version: ${{ matrix.java }}
@@ -109,7 +109,7 @@ jobs:
           df -h /
 
       - name: Set up JDK 25
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: temurin
           java-version: '25'
@@ -166,7 +166,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Set up JDK 25
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: temurin
           java-version: '25'
@@ -207,7 +207,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Set up JDK 25
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: temurin
           java-version: '25'
@@ -238,7 +238,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Set up JDK 26 early access
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: temurin
           java-version: '26-ea'
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index f6dfa22..cbe3f0f 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -44,7 +44,7 @@ jobs:
       # Before the CodeQL init step: the extractor compiles the project, and it compiles it with
       # whatever JDK is on the PATH. Anything below 25 fails at the enforcer.
       - name: Set up JDK 25
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: temurin
           java-version: '25'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 966fb93..167076c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -152,7 +152,7 @@ jobs:
           exit $FAILED
 
       - name: Set up JDK 25
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: temurin
           java-version: '25'
@@ -193,7 +193,7 @@ jobs:
       # the two username/password inputs name the environment variables the generated settings.xml
       # reads, not the credentials themselves.
       - name: Set up JDK 25 with the publishing credentials
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: temurin
           java-version: '25'
@@ -237,7 +237,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Set up JDK 25
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: temurin
           java-version: '25'